Thanks to this world map that shows the density of people with the surname Mandera in different countries, you can get an idea not only of the popularity of the surname Mandera in each country but also of the different migrations of people surnamed Mandera.
The quantity of people with the surname Mandera that we can find in each country can help us discern the origin of the surname Mandera, as logic tells us that the place with the most people surnamed Mandera will be the country or area of origin of the surname Mandera.